package com.example.myapplication;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.annotation.SuppressLint;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.os.Build;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    private RecyclerView rv_contact;
    private ContactAdapter adapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
    }


    private void init() {
        rv_contact = findViewById(R.id.rv_contact);
        rv_contact.setLayoutManager(new LinearLayoutManager(this));
        getPermissions();
    }

    String[] permissionList;
    public void getPermissions(){
        if(android.os.Build.VERSION.SDK_INT>= Build.VERSION_CODES.M){
            permissionList = new String[]{"android.permission.READ_CONTACTS"};
            ArrayList<String> list = new ArrayList<String>();

            for(int i = 0 ;i<permissionList.length;i++){
                if(ActivityCompat.checkSelfPermission(this, permissionList[i])!=
                        PackageManager.PERMISSION_GRANTED){
                    list.add(permissionList[i]);
                }
            }
            if(list.size()>0){
                ActivityCompat.requestPermissions(this,
                        list.toArray(new String[list.size()]),1);
            }else{
                Toast.makeText(this,"所有权限以授权",Toast.LENGTH_SHORT).show();
            }
        }//else{
//            Toast.makeText(this,"所有权限以授权",Toast.LENGTH_SHORT).show();
//        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode,  String[] permissions,  int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if(requestCode==1){
            for(int i = 0;i<permissions.length;i++){
                if(permissions[i].equals("android.permissions.READ_CONTACTS")
                        && grantResults[i]==PackageManager.PERMISSION_GRANTED){
                        Toast.makeText(this,"读取通讯录权限申请成功",Toast.LENGTH_SHORT).show();
                }else{
                    Toast.makeText(this,"读取通讯录权限申请失败", Toast.LENGTH_SHORT).show();
                }
            }
        }
    }
    private void setData(){
        List<ContactInfo> contactInfos =  getContacts();
        adapter = new ContactAdapter(MainActivity.this,contactInfos);
        rv_contact.setAdapter(adapter);
    }
    @SuppressLint("Range")
    private List<ContactInfo> getContacts() {
        List<ContactInfo> contactInfos=new ArrayList<>();
        Cursor cursor=getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,
                null,null,null,null);
        if(contactInfos!=null)contactInfos.clear();
        while(cursor.moveToNext()){
            String id = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
            String name =cursor.getString(cursor.getColumnIndex(ContactsContract.
                                         Contacts.DISPLAY_NAME));
            int isHas=Integer.parseInt(cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)));
            if(isHas>0){
                cursor=getContentResolver().query(ContactsContract
                                .CommonDataKinds.Phone.CONTENT_URI,null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID+"="+id,null,null);
                while(cursor.moveToNext()){
                    ContactInfo info = new ContactInfo();
                    info.setContactName(name);
                    String number= cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)).trim();
                    number = number.replace(" ","").replace("-","")
                                    .replace("(","").replace("(","");
                    info.setPhoneNumber(number);
                    contactInfos.add(info);
                }
                cursor.close();
            }
        }
        cursor.close();
        return contactInfos;
    }
}